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SCD32L THRU SCD34L
SURFACE MOUNT LOW VF SCHOTTKY BARRIER RECTIFIER Reverse Voltage - 20 to 40 Volts Forward Current - 3.0 Amperes
D ED ATENT E ATENT P P
2010
FEATURES
.181(4.60) .173(4.40) .002(0.05)
0.091(2.30) 0.083(2.10)
R0.
020
(0.5
0)
* * * * * * * * * * * *
0.045(1.15) 0.029(0.75) 0.046(1.16) 0.034(0.86)
0.045(1.15) 0.029(0.75)
Lead free product Leadless chip form , no lead damage Lead-free solder joint , no wire bond & lead frame Plastic package has Underwriters Laboratory Flammability Classification 94V-0 For surface mounted applications Low profile package Built-in strain relief Metal to silicon rectifier , majority carrier conduction Low power loss , High efficiency High current capability , Super low VF drop High surge capacity For using in low voltage high frequency switching power supply, inverters , free wheeling , and polarity protection applications
MECHANICAL DATA
*Dimensions in inches and (millimeters)
TM
Case : Packed with FRP substrate and epoxy underfilled Terminals : Pure Tin plated (Lead-Free), solderable per MIL-STD-750, Method 2026. Polarity : Laser marking Weight : 0.02 gram
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 C ambient temperature unless otherwise specified. Maximum repetitive peak reverse voltage Maximum RMS voltage Maximum DC blocking voltage Maximum average forward rectified current (SEE FIG.1) SYMBOLS VRRM VRMS VDC I (AV) SCD32L 20 14 20 3 .0 SCD34L
40 28 40
o
UNITS Volts Volts Volts Amps
Peak forward surge current 8.3ms single half sine-wave IFSM superimposed on rated load (JEDEC Method) Maximum instantaneous forward voltage at 3.0 A (NOTE 1) Maximum DC reverse current at rated DC blocking voltage Typical thermal resistance (NOTE 2) R Operating junction temperature range Storage temperature range
NOTES : (1) Pulse test width PW=300usec , 1% duty cycle. (2) Mounted on P.C. board with 0.2 x 0.2"(5.0 x5.0mm) copper pad areas.
JL
80
Amps
VF
0.40 1.0
0.42
Volts
(NOTE 1) @TJ=25 C @TJ=80 C R
JA
o
o
IR 30 55 17 -55 to +125 -55 to +150
o
mA
C/W
o o
TJ TSTG
C C
REV. 0
Zowie Technology Corporation
RATINGS AND CHARACTERISTIC CURVES SCD32L THRU SCD34L
FIG.1 - FORWARD CURRENT DERATING CURVE 3.0 80 PEAK FORWARD SURGE CURRENT, AMPERES
RESISTIVE OR INDUCTIVE LOAD P.C.B. MOUNTED ON 0.2X0.2"(5.0X5.0mm) COPPER PAD AREAS
FIG.2 - MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT
8.3ms Single Half Sine-Wave (JEDEC Method)
AVERAGE FORWARD RECTIFIED CURRENT, AMPERES
70 60 50 40 30 20 10 0
2.0
1.0
0 0 50 70 90 110 130
o
150
170
1
10 NUMBER OF CYCLES AT 60Hz
100
LEAD TEMPERATURE, C
FIG.3 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS 10 100
FIG.4 - TYPICAL REVERSE CHARACTERISTICS
IINSTANTANEOUS FORWARD CURRENT, AMPERES
1.00
INSTANTANEOUS REVERSE CURRENT, MILLIAMPERES
10
0.10
1.0
0.01
TJ=80 C
o
0.10
TJ=25 C
o
0.001 0 0.1 0.2 0.3 0.4 0.5 0.6 0.01 0 20 40 60 80 100 120 140 INSTANTANEOUS FORWARD VOLTAGE, VOLTS
PERCENT OF RATED PEAK REVERSE VOLTAGE,%
FIG.5 - TYPICAL JUNCTION CAPACITANCE 500
TJ = 25 C f=1.0MHz Vsig=50mVP-P
o
JUNCTION CAPACITANCE, pF
100
10 .1 1.0 10 100 REVERSE VOLTAGE, VOLTS
REV. 0
Zowie Technology Corporation

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